Fuel-heater for internal-combustion engines.



, F. O. & A. E. WEAVER.

' FUEL HEATER FOR INTERNAL COMBUSTION ENGINES.

APPLIOATION FILED JAN. 4, 1913.

1 101,365. Patented June 23, 1914.

2 SHEETSSHEET 1.

WITNESSES 2 SHEETS-SHEET 2.

snii. s c n.- giqahn Patented June 23, 1914.

J l/bertE Vlcwer 1 FLO yd/U. B ewer VINVENTORS F. G. &. A. B. WEAVER. FUEL HEATER FOB. INTERNAL'GOMBUSTION ENGINES.

APPLICATION FILED JAN. 4, 1913. 1,101,365.

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" UNITED STATES PATENT OFFICE.

FLOYD C. WEAVER, OF WASHINGTON, DISTRICT OF COLUMBIA,

- WEAVER, 'OF WEST LAFAYETTE, INDIANA.

AND ALBERT E.

rum-HEATER res mmaan-comnsrzon 'ENGmE's.

Specification of Letters Patent.

Application filed la'nuary 4,1913. Serial No. 740,235.

To all whom it may concern:

. Be it known that we, FLOYD C. WEAVER, a citizen of the United States, residing at Washington, in the District of Columbia, I EAVER, a citizen of the United States, residing at West Lafayette, in the county of Tippecanoe and State of Indiana, have invented certain new and useful Improvements in Fuel-Heaters for Internal-Combustion Engines, of which the following is 'aspecification, reference being had therein to the accompanying drawing.

This invention relates to engines and has for its object the production of a simple and efficient means to adapt kerosene or other petroleum products as a combustible and useful fuel for explosive engines.

Another object of this invention is the roduction of a simple and efficient means or feeding the kerosene or other petroleum products through the exhaust manifold in such a manner as to heat the kerosene to assist in producing the desired combustible products.

A still further object of this invention is the production of 'a simple and efficient means for mixing the products of combustion and feeding the same to the explosive cylinder.

With these and other objects in View, this invention consists of certain novel constructions, combinations and arrangements of parts, as will be hereinafter fully described and claimed.

In the accompanying drawings :Figure 1 is a top plan view of the engine showing the relative position of the exhaust and intake manifolds. Fig. 2 is a central transverse section through the exhaust and intake manifolds. Fig. 3 is a longitudinal section through the exhaust manifold. Fig. 4 is a longitudinal section through the intake manifold casting.

Referring to the drawings by numerals, it

will be seen that 1 designates the usual cylinders which, of course, maybe employed in any number desired, and to these cylinders is connected the exhaust manifold 2 by means of the usual connecting portions 3. The exhaust manifold 2v comprises an elongated body having a primary compartment 4 anda lower auxiliary compartment 5. This upper or primary compartment 4 communicates directly with the exhaust ports 6 formed upon the cylinders and is provided with a central web portion 7 which constitutes a continuation of the side and bottom walls of the lower or auxiliary compartment 5. This partition 7 as well as the side and lower .walls of the compartment 5 is provided with a plurality of passage-ways 8 which are formed in series so as to allow the kerosene or other petroleum products to pass through the passage-ways and become heated by the exhaust gases passing through, A the exhaust manifold in the manner hereinafter described.

An inlet pipe 9 is connected to one of the passage-ways 8 as indicated in Fig. 2, and an outlet pipe is connected to another pipe of the series so as to feed the heated products of kerosene, petroleum or other material to the inlet or supply pipe 10 of the intake manifold casing. It will be seen b carefully considering Figs. 2 and 3 that the primary compartment 4 and the auxiliary compartment 5 communicate at their inner ends by means of the passage-way 11. A valve supporting shaft 12 is mounted upon the exhaust manifold casing 2 and this shaft carries a p'air of butterfly valves 13 which extend at right angles to each other as indi cated clearly in Fig. 3. These valves are so formed as to alternately open and close the discharge openings 14 and 15 of the exhaust'manifold-casing 2. When it is not desired to heat the products of petroleum or keroseneto a great extent the shaft 12 is so rotated as to close the lower opening 15 and open the upper opening 14, thereby allowing the burnt gases from the exhaust of the cylinders to pass out through the opening 14 only heating the kerosene or petroleum products to a slight degree. When iti's desired to heat the products to a maximum heat the shaft 12 is so rotated as to close the upper opening 14 and open the lower opening 15, thereby allowing the burnt gases to pass toward the communicating passageway 11 and through the lower or auxiliary compartment 5 and be discharged out from the aperture 15.

' From the foregoing description, it will be seen that a very efficient and simple structure has been produced whereby the exhaust gases may be utilized to heat or vaporize the kerosene in order to produce the desired or necessary combustion. The shaft 12 is connected to any desired control by means of the crank lever 16.

Patented June 23, 191 4.

The intake manifold casing 17 comprises an elongated body having intake castings 18 formed thereon for connecting to the usual to the intake manifold casting. A depending sleeve 20 is formed upon the lower endof the casting 17 and within this depending sleeve 20 is positioned a butterfly valve 21 which controls the passage of air or combustible from the carbureter into the intake manifold casting. A longitudinally extending bafiie plate 22 is formed integrally within the intake manifold casting 17 and is adapted to separate the fuel toward the ends of the casting 17 as the fuel passes through the valve 19 formed upon the casting 17. The deflector plate 22 is so formed in the casing 17 as to project well beyond the aperture 23 formed upon the casing 17.

The butterfly valve 21 and the valve 19 are connectedby means of a link 24 which link engages the arms 25 and 26 secured to the respective valves 19 and 21. The intake pipe 10 is provided with a heavy jacket 27 so as to retain the temperature of the gases passing through the pipe 10.

It should, of course, be understood that the casting 20 may be used as an air intake {or may be connected to the ordinary carbureter now employed. It should be understood that the link connections 24: and 25 may be placed upon the outside of the intake manifold or may be placed between the intakemanifold or cylinders as illustrated in Fig. 1 without departing from the spirit of the invention. It should also be understood that any other detail changes in the mechanical construction may be made without departing from the spirit of the invention set forth in the appended claims.

Having thus described the invention,what is claimed as new, is

1. An engine of the class described comprising a cylinder, an exhaust manifold casing associated therewith provided with an upper primary and a lower auxiliary compartment, said compartments communicating, a partition separating said compartments, said partition and walls of said lower auxiliary compartment provided with a 'plurality of channels formed therein arranged in series, means for feeding liquid thereto;

means formed upon said casing for admitting exhaust gas into said primary compartment, a valve stem supported at the outer ends of said compartments, a plurality of valves carried by said stem and extending at right angles to each other, one of said valves adapted to close the outlet of said primary compartment, and the other valve adapted to close the outlet of said auxiliary compartment whereby the exhaust gases admitted into said primary compartment may be driven through said auxiliary compartment for increasing the heating capacity of said manifold casing when said primary compartment is closed at its discharge end.

2. An exhaust manifold comprising a casing provided with a longitudinally extending partition that is a continuation of the bottom of said casing, said partition and the bottom of the casing having longitudinal openings therethrough through which fuel circulates, said Partition dividing the casing into two compartments that communicate at one end and at their other ends have openings for the discharge of the heating medium means for admitting heat to the compartments, a shaft extending across the outlets of the compartments, and valves mounted on said shaft and means for operating the shaft to alternately open and close said outlets.

In testimony whereof we hereunto afix our signatures in presence of two witnesses.

FLOYD C. WEAVER. ALBERT E. WEAVER.

Witnesses as to the signature of Floyd C.

Weaver:

IRVING L. MCOATHRAN, WADE KOONTZ.

Witnesses as to the signature of Albert E.

Weaver:

' S. E. SANDERS,

G. B. THOMPSON. 

